EP0425430A1 - Uhr - Google Patents

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Publication number
EP0425430A1
EP0425430A1 EP90810642A EP90810642A EP0425430A1 EP 0425430 A1 EP0425430 A1 EP 0425430A1 EP 90810642 A EP90810642 A EP 90810642A EP 90810642 A EP90810642 A EP 90810642A EP 0425430 A1 EP0425430 A1 EP 0425430A1
Authority
EP
European Patent Office
Prior art keywords
stars
satellites
revolution
wheel
central mobile
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP90810642A
Other languages
English (en)
French (fr)
Inventor
Serge Meylan
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Manufacture dHorlogerie Audemars Piguet SA
Original Assignee
Manufacture dHorlogerie Audemars Piguet SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Manufacture dHorlogerie Audemars Piguet SA filed Critical Manufacture dHorlogerie Audemars Piguet SA
Publication of EP0425430A1 publication Critical patent/EP0425430A1/de
Withdrawn legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B19/00—Indicating the time by visual means
    • G04B19/06—Dials
    • G04B19/08—Geometrical arrangement of the graduations
    • G04B19/082—Geometrical arrangement of the graduations varying from the normal closed scale

Definitions

  • the subject of the present invention is a timepiece comprising a central mobile making one revolution in n hours, n being an integer greater than 1, and carrying n rotary mobile satellites arranged at regular intervals on a circle centered on the axis of the central mobile bearing the hour digits, distributed on the satellites at the rate of 12 / n or 24 / n digits per satellite, a scale graduated in minutes extending over a circular arc of 360 ° / n centered on the axis of the central mobile, and at least one fixed finger driving said satellites in turn by a fraction of a turn at each turn of the central mobile, the assembly being arranged so that the hour digits move successively in front of the scale of minutes.
  • Such a timepiece is known from Swiss patent 49,456.
  • This document describes a clock in which the central mobile consists of means provided with radial arms at the ends of which are mounted satellites also provided with arms each carrying a number d 'hour and driven in rotation, by a determined angle, at each revolution of the central mobile, by a fixed finger against which come in turn to abut the arms of the satellites.
  • the satellites must be mounted with greasy friction on their axes.
  • each satellite In the most suitable case of three satellites with four branches, each satellite must be driven a quarter turn each time the central mobile, this training a quarter turn requiring a time of the order of a quarter d hour during which the central mobile is braked by the friction of the satellite on its axis. Therefore, for guarantee the precision of a timepiece equipped with such time display means, it is necessary to have a relatively very high torque on the axis of the central mobile and also an energy source high to exert this torque for about a quarter of the time spent on the timepiece. Such a display device cannot therefore be used in a wristwatch where there is only little energy available.
  • the present invention aims to allow the use of the display mode described above in a wristwatch whose energy source is mechanical or electrical.
  • the timepiece according to the invention is characterized by the fact that the central mobile consists of a wheel, that the satellites consist of discs secured to stars and that the central mobile carries jumpsuits cooperating respectively with each of the stars to position them angularly.
  • the positioning of the satellites by stars and necklaces makes it possible to control the disturbing torque resulting from the rotation of the satellites much more precisely.
  • the strength of the necklaces can indeed be determined precisely, which is not the case with fatty friction.
  • the positioning by stars and necklaces also improves the accuracy of the minute indication.
  • the display mode suggested by the prior art therefore becomes usable in a wristwatch.
  • the partially represented watch essentially comprises a centered wheel 1 performing one revolution in three hours and carrying three transparent disks 2, 3 and 4 rotatably mounted on the rim of the wheel 1, that is to say on a circle concentric with the axis of wheel 1 and on which they are regularly distributed at 120 ° intervals.
  • Each of these discs is integral with an eight-tooth star 5, respectively 6 and 7, each of these stars cooperating with a jumper 8, 9 and 10 also mounted on the rim of the wheel 1 and maintaining the stars in a determined position .
  • Discs 2, 3 and 4 carry the hour digits distributed over the discs at the rate of four digits per disc.
  • Disc 2 has the numbers 3, 6, 9 and 12
  • Disc 3 has the numbers 2, 5, 8 and 11
  • Disc 4 has the numbers 1, 4, 7 and 10, these numbers being distributed angularly on each disc at 90 ° intervals.
  • the discs 2, 3 and 4 are further provided with triangular index 13 above each digit.
  • the wheel 1 with its discs is arranged above a dial 11 having a sector 12 concentric with the wheel 1 and extending over a little more than 120 °. This sector 12 carries sixty graduations over 120 °. During the rotation of the wheel 1, the hour digits and the corresponding index move successively opposite the graduations of the sector 12.
  • the dial 11 also carries two vertical pins 14 and 15 placed on the trajectory of the stars 5, 6 and 7, so that at each revolution of the wheel 1, each of the eight-tooth stars is driven twice by an eighth of a revolution by these pins. Each revolution of the wheel 1, each disc has therefore made a quarter turn, which has the effect of bringing a new hour digit into a position such that this digit is opposite the scale of the minutes when it arrives at sector 12.
  • the watch is provided with a glass 16 (FIG. 2) which is largely opaque, so as to allow only sector sector 12 to be seen.
  • the wheel 1 is mounted in place of the hour hand on the hub 17 of a cannon wheel 18, itself mounted on an existing roadway 19 making one revolution in one hour .
  • This roadway 19 is mounted on a first roadway 20, in a known manner, itself mounted on the center tube 21.
  • the pinion 22 of the roadway 19 drives a special timer consisting of a timer wheel 23 and a pinion timer 24 driving the barrel wheel 18.
  • the number of teeth of these mobiles is such that the carriageway 18 makes one revolution in three hours.
  • Each of the discs 2, 3 and 4 with its star, is rotatably mounted on an axis 25 on which it is retained by a screw 26.
  • the embodiment described is of course susceptible of numerous variants.
  • the discs could be replaced by crosses.
  • the graduation of the minutes could be on the ice or on the telescope.
  • the speed of rotation of the wheel 1, the number of discs, the number of digits per disc and the size of the minute sector could be different. These quantities are however interdependent.
  • n hours an integer greater than 1
  • the wheel 1 will carry n satellite disks and the hour digits will be distributed over these satellite discs at the rate of 12 / n digits per disc, and the scale of the minutes will extend over an arc of a circle of 360 ° / n.
  • the hours are displayed from 1 to 24, the hour digits must be distributed 24 / n digits per satellite disc.
  • the number of star teeth and / or fixed pins will be chosen according to the required angle of rotation of each disc at each turn of the wheel 1.

Landscapes

  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • General Physics & Mathematics (AREA)
  • Electromechanical Clocks (AREA)
EP90810642A 1989-10-27 1990-08-23 Uhr Withdrawn EP0425430A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH3889/89A CH677575B5 (de) 1989-10-27 1989-10-27
CH3889/89 1989-10-27

Publications (1)

Publication Number Publication Date
EP0425430A1 true EP0425430A1 (de) 1991-05-02

Family

ID=4265682

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90810642A Withdrawn EP0425430A1 (de) 1989-10-27 1990-08-23 Uhr

Country Status (2)

Country Link
EP (1) EP0425430A1 (de)
CH (1) CH677575B5 (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1705535A1 (de) * 2005-03-23 2006-09-27 Urwerk S.A. Uhr mit Zeitperiodeanzeige
CN102236317A (zh) * 2010-04-30 2011-11-09 天津海鸥表业集团有限公司 一种手表的指示机构
ITBO20130183A1 (it) * 2013-04-22 2014-10-23 Romano Bulgarelli Meccanismo di orologio

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4407383A1 (de) 2023-01-30 2024-07-31 Manufacture d'Horlogerie Audemars Piguet SA Uhr mit einem mechanismus zur anzeige von aufeinanderfolgenden stunden in einer anzeigezone

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE45006C (de) * H. BORN in Homburg v. d. Höhe, Waisenhausstr. 12 Uhr mit wandernder Stundenzahl und Halbkreiszifferblatt
FR625312A (fr) * 1926-03-11 1927-08-08 Nouvel indicateur de temps
FR647409A (fr) * 1928-01-17 1928-11-23 Etablissements Lancel Soc D Pendulette avec cadran des minutes fixe et indication des heures par index mobiles
FR819282A (fr) * 1936-03-17 1937-10-13 Perfectionnements aux montres
CH341768A (fr) * 1958-08-25 1959-10-15 Turel Maurice Pièce d'horlogerie
WO1988002507A1 (en) * 1986-09-26 1988-04-07 Robert Lukesch Time indicating device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE45006C (de) * H. BORN in Homburg v. d. Höhe, Waisenhausstr. 12 Uhr mit wandernder Stundenzahl und Halbkreiszifferblatt
FR625312A (fr) * 1926-03-11 1927-08-08 Nouvel indicateur de temps
FR647409A (fr) * 1928-01-17 1928-11-23 Etablissements Lancel Soc D Pendulette avec cadran des minutes fixe et indication des heures par index mobiles
FR819282A (fr) * 1936-03-17 1937-10-13 Perfectionnements aux montres
CH341768A (fr) * 1958-08-25 1959-10-15 Turel Maurice Pièce d'horlogerie
WO1988002507A1 (en) * 1986-09-26 1988-04-07 Robert Lukesch Time indicating device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1705535A1 (de) * 2005-03-23 2006-09-27 Urwerk S.A. Uhr mit Zeitperiodeanzeige
CN102236317A (zh) * 2010-04-30 2011-11-09 天津海鸥表业集团有限公司 一种手表的指示机构
CN102236317B (zh) * 2010-04-30 2013-02-13 天津海鸥表业集团有限公司 一种手表的指示机构
ITBO20130183A1 (it) * 2013-04-22 2014-10-23 Romano Bulgarelli Meccanismo di orologio

Also Published As

Publication number Publication date
CH677575B5 (de) 1991-12-13
CH677575GA3 (de) 1991-06-14

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